Method for distributing calls to a group of end points

Title: Method for distributing calls to a group of end points

Brief Patent Description - Full Patent Description - Patent Claims

The Patent Description & Claims data below is from USPTO Patent Application 20080205398, Method for distributing calls to a group of end points.

1. A method for identifying an end point terminal within a service group of end point terminals as a to-be-used terminal, where each of said terminals is characterized by an ID comprising the steps of: sending a message to said end point terminals specifying a response criterion for each of the end point terminals to use in order to determine whether to respond to said message; receiving a response message from those of said end point terminals that meet said response criterion, thus receiving one or more of said response messages; when number of said response messages is other than one, modifying said response criterion and returning to said step of sending; and when the number of said response messages is equal to one, selecting the end point terminal that provided the one response message as the to-be-used terminal.

2. The method of claim 1 where said response criterion is an ID range, delimited by a low ID number and a high ID number.

3. The method of claim 2 where the end point terminals that respond are end point terminals that are idle and who have an assigned ID that is within said ID range.

4. The method of claim 2 where, when the number of responding end point terminals is greater than one, the step of modifying the criterion reduces the ID range from the immediately previous ID range.

5. The method of claim 4 where the step of modifying the criterion reduces the range by to a number corresponding to the integer portion of the immediately previous range divided by 2.

6. The method of claim 1 where said response criterion is an ID range and an offset number, and the end point terminals that respond are end point terminals that are idle and who have an assigned ID that is within said ID range added to the offset number, where the addition is modulo addition, with a modulos that is equal to number of end point terminals in said service group.

7. The method of claim 1 where said criterion is a number, and the end point terminals respond based on whether their idle times are greater than, or less than said number.

8. The method of claim 7 where the end point terminals that respond are those whose idle time is less than said number.

9. The method of claim 7 where in said step of modifying the criterion account is taken of time advancing between the immediately previous creating or modifying the criterion.

Brief Patent Description - Full Patent Description - Patent Claims

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Previous Patent Application:
Transmitting a packet from a distributed trunk switch
Next Patent Application:
Method for forwarding multicast packets in a virtual private local area network service
Industry Class:
Multiplex communications

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